SolutionstoProblems5_29n5_30

SolutionstoProblems5_29n5_30 - Solutions to Problems 5.29...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Solutions to Problems 5.29 and 5.30 from the textbook 5.29 (a). RegWrite = 0: All R-format instructions, in addition to lw , will not work because these instructions will not be able to write their results to the register file. (b). MemRead = 0: None of the instructions will run correctly because instructions will not be fetched from memory. (c). MemWrite = 0: sw will not work correctly because it will not be able to write to the data memory. (d). IRWrite = 0: None of the instructions will run correctly because instructions fetched from memory are not properly stored in the IR register. (e). PCWrite = 0: Jump instructions will not work correctly because their target address will not be stored in the PC. Beq instruction will also not work correctly because PC is not incremented to PC+4 in cycle 2 and hence if the branch condition is true, it will not jump to the intended branch target address but to the instruction right before the intended branch target address. For all other
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern